User Guide
Appendix A: Configuring OMS (Macintosh Only) 101
Defining MIDI Devices in OMS
To define a MIDI device in OMS Setup:
1 Double-click the device’s icon in the Studio
Setup window.
2 In the MIDI Device Info dialog, select the
Manufacturer and Model for the device from the
pop-up menus. If the device is not listed, leave
the Model set to “other” and enter a name for
the device.
3 Select the Receiving Channel for the device. If
it is capable of receiving multiple channels, se-
lect the option for “Is Multitimbral.”
4 If you will record MIDI data from the device
into Pro Tools, select the option for “Is Control-
ler.” If the device will be a source or destination
for MIDI Time Code, Beat Clock, or MIDI Ma-
chine Control, select the appropriate option.
5 Click OK.
Disabling Serial DMA in OMS
Pro Tools requires that you deselect the “Use
Apple Serial DMA Driver When Available” op-
tion in OMS Setup. If you do not disable this op-
tion, problems will occur with MIDI and syn-
chronization functions within Pro Tools.
To disable Serial DMA in OMS:
1 Double-click the OMS Setup application.
2 Choose Edit > Preferences.
3 Deselect “Use Apple Serial DMA Driver When
Available” and click OK.
4 Quit OMS Setup.
MIDI Device Info